[font=-apple-system, '.sfnstext-regular', 'san francisco', roboto, 'segoe ui', 'helvetica neue', 'lucida grande', sans-serif]A 300-pound woman has admitted killing her boyfriend by sitting on him until he suffocated – Windi Thomas, 44, pleaded guilty to the third-degree murder of Keeno Butler, also 44, Monday, and is set to be jailed for 18 to 36 years, Metro UK reports.[/font]

[font=-apple-system, '.sfnstext-regular', 'san francisco', roboto, 'segoe ui', 'helvetica neue', 'lucida grande', sans-serif]Thomas, of Erie, Pennsylvania, stabbed Butler in the hand then battered him with a table leg after a night’s drinking in March this year.[/font]

[font=-apple-system, '.sfnstext-regular', 'san francisco', roboto, 'segoe ui', 'helvetica neue', 'lucida grande', sans-serif]Her lawyers insisted the killing was unintentional, and said that Thomas only killed Butler – who weighed 120 pounds – after collapsing on top of him while drunk. But prosecutors highlighted how she had also beaten and stabbed him.[/font]